Exemplo n.º 1
0
RawAccessFrameRef
FrameAnimator::GetRawFrame(uint32_t aFrameNum) const
{
  LookupResult result =
    SurfaceCache::Lookup(ImageKey(mImage),
                         RasterSurfaceKey(mSize,
                                          DefaultSurfaceFlags(),
                                          aFrameNum));
  return result ? result.DrawableRef()->RawAccessRef()
                : RawAccessFrameRef();
}
Exemplo n.º 2
0
LookupResult
FrameAnimator::GetCompositedFrame(uint32_t aFrameNum)
{
  MOZ_ASSERT(aFrameNum != 0, "First frame is never composited");

  // If we have a composited version of this frame, return that.
  if (mLastCompositedFrameIndex == int32_t(aFrameNum)) {
    return LookupResult(mCompositingFrame->DrawableRef(), MatchType::EXACT);
  }

  // Otherwise return the raw frame. DoBlend is required to ensure that we only
  // hit this case if the frame is not paletted and doesn't require compositing.
  LookupResult result =
    SurfaceCache::Lookup(ImageKey(mImage),
                         RasterSurfaceKey(mSize,
                                          DefaultSurfaceFlags(),
                                          aFrameNum));
  MOZ_ASSERT(!result || !result.DrawableRef()->GetIsPaletted(),
             "About to return a paletted frame");
  return result;
}
Exemplo n.º 3
0
VectorImage::Draw(gfxContext* aContext,
                  const nsIntSize& aSize,
                  const ImageRegion& aRegion,
                  uint32_t aWhichFrame,
                  Filter aFilter,
                  const Maybe<SVGImageContext>& aSVGContext,
                  uint32_t aFlags)
{
  if (aWhichFrame > FRAME_MAX_VALUE) {
    return DrawResult::BAD_ARGS;
  }

  if (!aContext) {
    return DrawResult::BAD_ARGS;
  }

  if (mError) {
    return DrawResult::BAD_IMAGE;
  }

  if (!mIsFullyLoaded) {
    return DrawResult::NOT_READY;
  }

  if (mIsDrawing) {
    NS_WARNING("Refusing to make re-entrant call to VectorImage::Draw");
    return DrawResult::TEMPORARY_ERROR;
  }

  if (mAnimationConsumers == 0 && mProgressTracker) {
    mProgressTracker->OnUnlockedDraw();
  }

  AutoRestore<bool> autoRestoreIsDrawing(mIsDrawing);
  mIsDrawing = true;

  Maybe<SVGImageContext> svgContext;
  // If FLAG_FORCE_PRESERVEASPECTRATIO_NONE bit is set, that mean we should
  // overwrite SVG preserveAspectRatio attibute of this image with none, and
  // always stretch this image to viewport non-uniformly.
  // And we can do this only if the caller pass in the the SVG viewport, via
  // aSVGContext.
  if ((aFlags & FLAG_FORCE_PRESERVEASPECTRATIO_NONE) && aSVGContext.isSome()) {
    Maybe<SVGPreserveAspectRatio> aspectRatio =
      Some(SVGPreserveAspectRatio(SVG_PRESERVEASPECTRATIO_NONE,
                                  SVG_MEETORSLICE_UNKNOWN));
    svgContext =
      Some(SVGImageContext(aSVGContext->GetViewportSize(),
                           aspectRatio));
  } else {
    svgContext = aSVGContext;
  }

  float animTime =
    (aWhichFrame == FRAME_FIRST) ? 0.0f
                                 : mSVGDocumentWrapper->GetCurrentTime();
  AutoSVGRenderingState autoSVGState(svgContext, animTime,
                                     mSVGDocumentWrapper->GetRootSVGElem());


  SVGDrawingParameters params(aContext, aSize, aRegion, aFilter,
                              svgContext, animTime, aFlags);

  if (aFlags & FLAG_BYPASS_SURFACE_CACHE) {
    CreateSurfaceAndShow(params);
    return DrawResult::SUCCESS;
  }

  LookupResult result =
    SurfaceCache::Lookup(ImageKey(this),
                         VectorSurfaceKey(params.size,
                                          params.svgContext,
                                          params.animationTime));

  // Draw.
  if (result) {
    RefPtr<SourceSurface> surface = result.DrawableRef()->GetSurface();
    if (surface) {
      RefPtr<gfxDrawable> svgDrawable =
        new gfxSurfaceDrawable(surface, result.DrawableRef()->GetSize());
      Show(svgDrawable, params);
      return DrawResult::SUCCESS;
    }

    // We lost our surface due to some catastrophic event.
    RecoverFromLossOfSurfaces();
  }

  CreateSurfaceAndShow(params);

  return DrawResult::SUCCESS;
}
Exemplo n.º 4
0
VectorImage::Draw(gfxContext* aContext,
                  const nsIntSize& aSize,
                  const ImageRegion& aRegion,
                  uint32_t aWhichFrame,
                  Filter aFilter,
                  const Maybe<SVGImageContext>& aSVGContext,
                  uint32_t aFlags)
{
  if (aWhichFrame > FRAME_MAX_VALUE) {
    return DrawResult::BAD_ARGS;
  }

  if (!aContext) {
    return DrawResult::BAD_ARGS;
  }

  if (mError) {
    return DrawResult::BAD_IMAGE;
  }

  if (!mIsFullyLoaded) {
    return DrawResult::NOT_READY;
  }

  if (mIsDrawing) {
    NS_WARNING("Refusing to make re-entrant call to VectorImage::Draw");
    return DrawResult::TEMPORARY_ERROR;
  }

  if (mAnimationConsumers == 0 && mProgressTracker) {
    mProgressTracker->OnUnlockedDraw();
  }

  AutoRestore<bool> autoRestoreIsDrawing(mIsDrawing);
  mIsDrawing = true;

  float animTime =
    (aWhichFrame == FRAME_FIRST) ? 0.0f
                                 : mSVGDocumentWrapper->GetCurrentTime();
  AutoSVGRenderingState autoSVGState(aSVGContext, animTime,
                                     mSVGDocumentWrapper->GetRootSVGElem());

  // Pack up the drawing parameters.
  SVGDrawingParameters params(aContext, aSize, aRegion, aFilter,
                              aSVGContext, animTime, aFlags);

  if (aFlags & FLAG_BYPASS_SURFACE_CACHE) {
    CreateSurfaceAndShow(params);
    return DrawResult::SUCCESS;
  }

  LookupResult result =
    SurfaceCache::Lookup(ImageKey(this),
                         VectorSurfaceKey(params.size,
                                          params.svgContext,
                                          params.animationTime));

  // Draw.
  if (result) {
    RefPtr<SourceSurface> surface = result.DrawableRef()->GetSurface();
    if (surface) {
      nsRefPtr<gfxDrawable> svgDrawable =
        new gfxSurfaceDrawable(surface, result.DrawableRef()->GetSize());
      Show(svgDrawable, params);
      return DrawResult::SUCCESS;
    }

    // We lost our surface due to some catastrophic event.
    RecoverFromLossOfSurfaces();
  }

  CreateSurfaceAndShow(params);

  return DrawResult::SUCCESS;
}